Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1977-01-17
1979-01-02
Stouffer, Richard T.
Earth working
With drive means for tool or cleaner
Plural driven tools
172 63, A01B 3306
Patent
active
041322754
ABSTRACT:
A rotary harrow has a plurality of soil-working members rotatably mounted on upwardly extending shafts and the shafts are journalled in an elongated frame portion that extends transverse to the direction of travel. A protective and supporting member of elongated configuration is secured to the frame portion. The protective member can be nonrotatable but is angularly displaceable about a horizontal axis that extends generally parallel to the frame portion. The protective member has an inclined surface that can be curved or substantially flat and the outer surface faces the soil working members and is positioned relative to those members to direct debris downwardly to the ground. Stops on the frame portion and protective member limit the latter's movement relative to the remainder of the harrow.
REFERENCES:
patent: 4042041 (1977-08-01), van der Lely
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